Ventilator



Julys, 1952 s. H. WHISSEL 2,602,390

VENTILATOR Filed Nov. 8, 1946 2 SHEETSSHEET l f l g l 40 E I6 0 I Z Inventor fie?! Ho WMMZ WHISSEL VENTILATOR 2 SI-IEETS SHEET 2 Filed Nov. 8, 1946 Invento Patented July 8, 1952 UNITE D; STATES PAT OFFICE.

VENTILATQR Samuel H. Vl hisselg 'Iulsa, Qkla. ApplicationNovember 8, 1946, Serial No. 708,665

Another object of the invention. is to provide atventilator. havingmovabl'e slats sobalancedthat they will all simultaneously move. to. open and closed positions, and. normally to. open positions but will close automatically under wind pressure when there is: a wind or rainstorm, so as. to exclude rain from the. windows and protect. the latter in. severe storms, while also permitting the use. of screens therewithto exclude. dust andinsects.

Another object of the invention is to provide means for securing the slats or blinds or the ventilator in open or closed positions,

Another object of the invention is to provide. a ventilator in which the slats or blinds are pivoted in a; novel manner to balance the same to normally-open, and which are constructed in a simple and novel manner capable of economical manufacture and assembly as well as installation, and by which anyone of the individual. slats or blinds may be removed independently of the others, while acting to give a tighter seal. the stronger the wind, in addition to being capable of beingheld in adjusted open position or closed position and protecting the contents of a room.

Other objects and advantages reside in the details of construction and operation as more fully hereinafter described and claimed, reference being had to the accompanying drawings forming part hereof, wherein like numerals; refer to like parts throughout, and in which Figure 1 is a front elevation of a ventilator. constructed in accordance with the invention as applied to a window, I

Figure 2 is an enlarged vertical sectional view thereof, r I

Figure Bisan enlarged fragmentary view of the lower. portion of a sash showing thev ventilator construction and mounting,

. Figure. tv is a sectional view taken on the line.

4-4. of, Figure ,3,

Figure 5 is a fragmentary front. elevational' v1e,w;

Figure, 6. a fragmentary perspectiv view of. the upper portion. of the ventilatorat one side, and

Figure 7 is a. fragmentary view in vertical sectionthrough. a modified form of the invention, showing the slats in. closedposition.

Referring to. the drawings in detan, in which. like, reference, characters designate like partsv throughoutthe several views, the numeral l0 designates a Window frame having the inner stop H and the intermediate stop or parting. strip, l2 ex'e tending to the sill I3. Movable in the frame. is. an upper sash l4 and a. lower sash l5. shown in open. position in Figure 2, and all ofstandard construction. The upper portion of the ventilator includes a plurality ofinclined slats or blinds] 6 arranged within the outer stops H which are. provided with spaced transverse grooves [8, in order to securely receive the ends of the slats and retain the, slats in outwardly inclined positions and inparallel re laticn .to. each other. against the frame of the upper sash. [4. The slate is project outwardly beyondth'e stops. l1 and vertical strips l9 are fixed. on. the ends thereof. This provides means for ventilating rooms as well as halls, attics and thel'ike while excluding the radiation from the- 1 sun. throughthe glass of the windows, thereby by sash or the latter are open. Of course, the

upper sash maybe closed or partially open.- Inadditiorra screen 20 having a frame; 2|, may be provided outwardly of the ventilator within the frame 10 to, exclude dust and dirt as well asinsects anclmay beprovided with a transverse hori- Zontal intermediate strip 22 or the latter may be omitted. The frame 2| and the strip 22 may-seat against the outer stop. I7. While the ventilator at. the top, adapted for hallways, windows or openings therein, or in attic spaces, may be stationary or fixedinposition as described, the'same may be adapted to open and close as. will now be described in. connection with the ventilator which flts below the. upper sash l4.

j hisventilator construction includes: a frame having. sides-formed by the, lower porti n of the 'at vertically spaced intervals, bearing supports 26 in the form of nails, brads, or other inserts are secured forming bearings for the pivots 21 of the slats or blinds 28 at the ends of the latter. These blinds may be of plastic, metal, wood or other material and the pivots are located slightly off-center to the rear or inside. The ends of the strips forming the slats or blinds are provided with attached or integral hangers 29 depending from the ends thereof at their inner portions and bent from the ends of the slats or attached thereto, a desirable construction being to form the slats and hangers of a single blank of galvanized sheet metal or the like. Extending between the members ll, above the slats 2B, is a cover or roof 30 sloping outwardly and formed with a rabbeted edge or recess 3!, against which the upper slat moves in aclosed position to form a stop, as well as the roof serving as a canopy or cover to prevent the entrance of rain water behind the slats or blinds. It should also be noted that the pivots 21. are loosely mounted in the grooves 25 and 7 rest on the bearing supports 26, in order to turn freely and without friction.

At their inner ends, the hangers 29, which are tapered and shaped as shown, are apertured for pivotal connection to connecting strips, wires or rods 32, the openings 33 in the hangers 29 loosely receiving the pivots 34 carried by the connecting strips 32 which are also preferably rabbeted on the inside as indicated at 35, to provide inwardly extending flanges 35 at the inside. A cushion 31 of sponge rubber, felt or the like may be provided on the top of the connecting or operating bars or strips 32 to strike the bottom of the upper sash when the slats or blinds oscillate in the wind, to avoid noise when there is a storm, either wind or rain.

Since all of the slats or blinds are connected by the strips, rods or bars 32, they will move together, and they are so balanced on their pivots that they are normallyheld open by gravity by the strips 32, but under the pressure of the Wind in a wind or rain storm, said slats will be forced to closed position, to protect the interior sash of a building as well as contents, drapes and the like by sealing the window opening in a manner shown in Figure 2 of the drawings, this action being automatic due to the pressure of the wind. However, when the pressure is reduced to a certain point, the slats or blinds will then automatically open to the balanced position in which they are pivoted. However, means is provided to hold the blinds in adjusted open or closed position, such as by chains of the ball type indicated at 38 attached at suitable points on the strips 32 to ensage beneath the hooks 39 fastened to the inner edges of the stop or parting strips l2. In this way, the window opening is closed at the bottom or at such other points as the ventilator is provided while permitting a certain amount of ventilation from outside air. Also, it will be apparent that while the house'provided with such ventilators will be cooler and more comfortable, a good degree of privacy will also beprovided since it will be difiicult to see inside of a room from the outside, while permitting theentr'ance' of light when the blinds or slats are in open position, while also permitting view of the outside from the interior, and when the slats or blinds of the Ventilator are closed, permitting absolute privacy by preventing a view of the inside from the outside of the building, while still permitting some ventilation. Of course, it is to be understood that the device may be employed with or without screens and that the entire window opening may be equipped with the ventilator having the movable slats or blinds balanced and adapted to open and close as described, without departing from the spirit of the invention. Also, since the screen frame 2| may be hinged at the top. as indioated at 40 or mounted on other similar detachable hangers in the manner of screens or stormsash, the screen frame 2| may be fastened at the bottom in any suitable way, such as by means of hooks ll engaging eyes 42, to retain the screen frames in position and prevent access to the ventilator from the exterior.

In Figure 'I, the slats or blinds 28 are shown made of sheet material, such as metal, plastic or the like with ends bent to form integral hangers 23' shaped as described in connection with slats 28 and having holes 2'! to receive pivots Zland openings 3 3' the same as openings 33 to receive pivots 34 as previously described. Also, the inner or top longitudinal edges of slate 28 are turned up preferably at a 90 degree angle as at 34' and the outer or bottom longitudinal edges are turned down preferably at a 45 degree angle as at 35 to serve another important purpose or function on this automatic ventilator which it does not serve on an ordinary one, namely, as a stabilizer for the slats. It forms enough air resistance to prevent too rapid action of the slats, so that as the slats comenear the closing .point they form air traps between them which force the air back against the turned edges or flanges of the slats above or adjacent thereto, thereby forming air cushions or brakes to make the slats close gently and quietly without a bang or noise such as by sudden closing. This is very important to the operation of the ventilator as it is controlled and operated by wind pressure and operates quietly and automatically. 7

While in the foregoing there has been shown and described the preferred embodiment of this invention it is to 'be understood that minor changes in the details of construction, combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as claimed.

I claim: I V I 1. In a louver construction including a frame having parallel spaced sidesformed with vertical;

grooves in their inner faces, support members mounted transversely across the grooves and ver tically spaced on the sides, slats having projections offset inwardly and projecting from the ends of the slats, said projections being disposed in the grooves and resting on the support members to pivotally mount the slats.

2. A ventilator comprising a frame adapted. to be mounted in an opening and having parallel sides formed with vertical grooves, transverse supports mounted in .the grooves, slats having projecting studs extending from their opposed ends, said studs being disposedin the grooves and freely resting on the supports, whereby the slats can move into overlapping relation in' closed position or in lparallel inclined position when open; hangers extending inwardly and downwardly from the slats and bent from. the" ends thereof, and connecting bars between said hangers and vertically movable in the frame sides for efiecting simultaneous movement of the'slats.

SAMUEL H. WHISSE'L.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 421,165 DArros et a1. Feb. 11, 1890 434,686 French Dec. 4, 1911 1,102,023 Egglesto-n June 30, 1914 1,137,473 Ford Apr. 27,1915

1,335,929 Allen Apr. 6, 1920 1,412,039 Bowman Apr. 11, 1922 1,428,074 Brabant Sept. 5, 1922 Jenkins Mar. 25, 1924 Number Number 7 Great Britain Oct. 8, 1913 

